From ba6adb78c19f502d71a50e7ad818f8b343d34c04 Mon Sep 17 00:00:00 2001
From: Deadpikle <mbabienco@southern.edu>
Date: Wed, 13 May 2020 10:06:59 -0400
Subject: [PATCH] Add failing test for no items in TabControl

---
 .../TabControlTests.cs                        | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/Avalonia.Controls.UnitTests/TabControlTests.cs b/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
index 24aacd4000..db9211ac3c 100644
--- a/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
+++ b/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
@@ -1,10 +1,12 @@
 using System;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using Avalonia.Collections;
 using Avalonia.Controls.Presenters;
 using Avalonia.Controls.Primitives;
 using Avalonia.Controls.Templates;
+using Avalonia.Controls.Utils;
 using Avalonia.LogicalTree;
 using Avalonia.Styling;
 using Avalonia.UnitTests;
@@ -325,6 +327,28 @@ namespace Avalonia.Controls.UnitTests
             Assert.NotEqual(dataContext, tabItem.Content);
         }
 
+        [Fact]
+        public void Can_Have_Empty_Tab_Control()
+        {
+            using (UnitTestApplication.Start(TestServices.StyledWindow))
+            {
+                var xaml = @"
+<Window xmlns='https://github.com/avaloniaui'
+        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
+        xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.Xaml;assembly=Avalonia.Markup.Xaml.UnitTests'>
+    <TabControl Name='tabs' Items='{Binding Tabs}'/>
+</Window>";
+                var loader = new Markup.Xaml.AvaloniaXamlLoader();
+                var window = (Window)loader.Load(xaml);
+                var tabControl = window.FindControl<TabControl>("tabs");
+
+                tabControl.DataContext = new { Tabs = new List<string>() };
+                window.ApplyTemplate();
+
+                Assert.Equal(0, tabControl.Items.Count());
+            }
+        }
+
         private IControlTemplate TabControlTemplate()
         {
             return new FuncControlTemplate<TabControl>((parent, scope) =>